80495140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1$

素因数の和:257

約数の個数: 96

約数和(自身を含む): 193019904

約数和(自身を除く): 112524764

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 67, 86, 110, 127, 134, 172, 215, 220, 254, 268, 335, 430, 473, 508, 635, 670, 737, 860, 946, 1270, 1340, 1397, 1474, 1892, 2365, 2540, 2794, 2881, 2948, 3685, 4730, 5461, 5588, 5762, 6985, 7370, 8509, 9460, 10922, 11524, 13970, 14405, 14740, 17018, 21844, 27305, 27940, 28810, 31691, 34036, 42545, 54610, 57620, 60071, 63382, 85090, 93599, 109220, 120142, 126764, 158455, 170180, 187198, 240284, 300355, 316910, 365887, 374396, 467995, 600710, 633820, 731774, 935990, 1201420, 1463548, 1829435, 1871980, 3658870, 4024757, 7317740, 8049514, 16099028, 20123785, 40247570, 80495140]

約数ペア:

[(1, 80495140), (2, 40247570), (4, 20123785), (5, 16099028), (10, 8049514), (11, 7317740), (20, 4024757), (22, 3658870), (43, 1871980), (44, 1829435), (55, 1463548), (67, 1201420), (86, 935990), (110, 731774), (127, 633820), (134, 600710), (172, 467995), (215, 374396), (220, 365887), (254, 316910), (268, 300355), (335, 240284), (430, 187198), (473, 170180), (508, 158455), (635, 126764), (670, 120142), (737, 109220), (860, 93599), (946, 85090), (1270, 63382), (1340, 60071), (1397, 57620), (1474, 54610), (1892, 42545), (2365, 34036), (2540, 31691), (2794, 28810), (2881, 27940), (2948, 27305), (3685, 21844), (4730, 17018), (5461, 14740), (5588, 14405), (5762, 13970), (6985, 11524), (7370, 10922), (8509, 9460)]